Richard L. May
28Patents
13h-index
18Co-inventors
78Inventor score
Filing activity: Apr 11, 1983 → Apr 26, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5796354A | Hand-attachable controller with direction sensing | Physics | 276 | Expired |
| US5764164A | Ergonomic hand-attachable controller | Human Necessities | 68 | Expired |
| US4775352A | Talking doll with animated features | Human Necessities | 47 | Expired |
| US4900289A | Mechanism for animating a doll's facial features | Human Necessities | 36 | Expired |
| US6730923B1 | Transmissive conveyor for use in pulsed light sterilization | Human Necessities | 32 | Expired |
| US5342048A | Wall mounted slot car track with moving accessories | Human Necessities | 29 | Expired |
| US4698043A | Rolling egg toy | Human Necessities | 27 | Expired |
| US4467403A | Twin beam portable light assembly | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4715602A | Racing game apparatus | Human Necessities | 23 | Expired |
| US5236385A | Mechanical doll assembly capable of simulating sleep | Human Necessities | 21 | Expired |
| US6641787B1 | Chemical dispenser | Chemistry; Metallurgy | 17 | Expired |
| US4535397A | Portable spotlight | Performing Operations; Transporting | 16 | Expired |
| USD709238S1 | Linear lighting apparatus | General | 13 | Active |
| USD282873S | Spotlight | General | 11 | Expired |
| USD656527S1 | Magnifier | General | 9 | Expired |
| US4836465A | Magnetic tape transport system | Physics | 8 | Expired |
| US7434769B1 | Articulated channel arm | Mechanical Engineering; Lighting; Heating | 8 | Active |
| USD420048S | Motorized eraser | General | 8 | Expired |
| US4997404A | Toy vehicle sound system | Human Necessities | 7 | Expired |
| US9511344B2 | Ultraviolet light treatment chamber | Chemistry; Metallurgy | 7 | Active |
| USD723081S1 | Illuminating magnifier apparatus | General | 7 | Active |
| US9808544B2 | Ultraviolet light treatment chamber | Chemistry; Metallurgy | 3 | Active |
| US4485555A | Drafting device for use with computers | Performing Operations; Transporting | 3 | Expired |
| USD786327S1 | Illuminating magnifier apparatus | General | 2 | Active |
| US11000605B2 | Ultraviolet light treatment chamber | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.